Cannula



FIG. 1 is a perspective view of a cannula showing our new design.

FIG. 2 is a front view thereof, the rear view being a mirror imagethereof.

FIG. 3 is a right side view thereof, the left side view being a mirrorimage thereof.

FIG. 4 is a top view thereof.

FIG. 5 is a bottom view thereof.

FIG. 6 is a perspective view of a second embodiment of a cannula showingour new design.

FIG. 7 is a front view thereof, the rear view being a mirror imagethereof.

FIG. 8 is a right side view thereof, the left side view being a mirrorimage thereof.

FIG. 9 is a top view thereof; and,

FIG. 10 is a bottom view thereof.

The broken line showing of parts of the drawings is included for thepurpose of illustrating use and environment and forms no part of theclaimed design.

CLAIM The ornamental design for a cannula, as shown and described.